#!/bin/sh # script to set the display backlight brightness by the passed amount ($1) brightnessctl -e4 -n2 set "$1" PERCENT=$(brightnessctl -m | awk -F, '{print $4}' | tr -d '%') notify-send -i display-brightness-symbolic \ -h int:transient:1 \ -h int:SWAYNC_BYPASS_DND:1 \ -h string:x-canonical-private-synchronous:brightness \ -h int:value:"$PERCENT" \ -t 1500 \ "Brightness: ${PERCENT}%"